Speaker



FIG. 1 is a perspective view of the speaker, showing the new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is an opposing side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown are included for the purpose of illustratingportions of the speaker that form no part of the claim.

CLAIM The ornamental design for a speaker, as shown and described.